The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 22, 2022
Filed:
Oct. 31, 2016
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventors:
Koichi Arisawa, Tokyo, JP;
Takashi Yamakawa, Tokyo, JP;
Kenji Iwazaki, Tokyo, JP;
Keisuke Uemura, Tokyo, JP;
Atsushi Tsuchiya, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 25/18 (2006.01); F25B 49/02 (2006.01); H02K 1/276 (2022.01); H02K 3/28 (2006.01);
U.S. Cl.
CPC ...
H02P 25/184 (2013.01); F25B 49/025 (2013.01); H02K 1/276 (2013.01); H02K 3/28 (2013.01); F25B 2600/021 (2013.01);
Abstract
A motor driving device is a device for driving a motor including stator windings, includes: a connection switching unit that is connected to the stator windings, includes circuits including semiconductor switches, and switches connection condition of the stator windings to either of first connection condition and second connection condition different from the first connection condition by setting the semiconductor switches to ON or OFF; and an inverter that supplies AC drive voltages to the stator windings.